Finding the Fourth Proportional to 7,003.53, 9,658.37 and 5,112.12

Step by Step Solution

1. Step 1: Write the proportion equation
   7,003.53 : 9,658.37 = 5,112.12 : x
2. Step 2: Convert to fraction form
   7,003.53/9,658.37 = 5,112.12/x
3. Step 3: Cross multiply
   7,003.53x = 9,658.37 × 5,112.12
4. Step 4: Simplify right side
   7,003.53x = 49,374,759.22
5. Step 5: Solve for x
   x = 49,374,759.22/7,003.53
6. Step 6: Final answer
   x = 7,049.98